Home / 11,857.49-16,370.97-7,610.38

Finding the Fourth Proportional to 11,857.49, 16,370.97 and 7,610.38

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Solution

The fourth proportional to 11,857.49, 16,370.97 and 7,610.38 is: 10,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.49 : 16,370.97 = 7,610.38 : x
  2. Step 2: Convert to fraction form
    11,857.49/16,370.97 = 7,610.38/x
  3. Step 3: Cross multiply
    11,857.49x = 16,370.97 × 7,610.38
  4. Step 4: Simplify right side
    11,857.49x = 124,589,302.67
  5. Step 5: Solve for x
    x = 124,589,302.67/11,857.49
  6. Step 6: Final answer
    x = 10,507.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.